Load-bearing sound barrier and viaduct comprising same

The utility model discloses a load-bearing sound barrier and a viaduct comprising the load-bearing sound barrier, the load-bearing sound barrier comprises a supporting frame, the inner side of the supporting frame is sequentially provided with an upper shutter sound absorption screen, a transparent sound insulation plate and a lower shutter sound absorption screen from top to bottom; the upper shutter sound absorption screen and the lower shutter sound absorption screen are fixedly connected with the supporting frame. The top end of the transparent sound insulation plate is embedded in the bottom of the upper shutter sound absorption screen, and the bottom end of the transparent sound insulation plate is embedded in the top of the lower shutter sound absorption screen. The load-bearing sound barrier is convenient to install, light in structure, safe and reliable, and can play a role in reinforcing the viaduct due to the fact that the load-bearing sound barrier and the upper structure of the bridge are stresse